共 7 条
[1]
Bartels J, 1932, J GEOPHYS RES, DOI [10.1029/te037i001p00001, DOI 10.1029/TE037I001P00001]
[2]
Bartels J., 1934, TERR MAGN ATMOS ELEC, V39, P201
[3]
BENKOVA NP, 1942, TERR MAG, V47, P147
[4]
SHAPLEY AH, 1947, T AM GEOPHYS UNION, V28, P715
[5]
1948, AOU C U G G I OSLO
[6]
1948, COMPTES RENDUS, V227, P1044
[7]
1939, MONT NOT ROY AST SOC, V99, P723